| Lavell, Nels; ISMA Directory; 1911 | ISMA Directory | 1911-00-00 | | Captain |
| Lavell, Nels; ISMA Directory; 1912 | ISMA Directory | 1912-00-00 | | Captain |
| Lavell, Nels; ISMA Directory; 1913 | ISMA Directory | 1913-00-00 | | Captain |
| Lavell, Nels; ISMA Directory; 1914 | ISMA Directory | 1914-00-00 | | Captain |
| Lavell, Nels; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | | Captain |
| Lavell, Nels; ISMA Directory; 1928 | ISMA Directory | 1928-00-00 | | |
| Lavell, Nels; ISMA Directory; 1929 | ISMA Directory | 1929-00-00 | | |
| Lavell, Nels; ISMA Directory; 1931 | ISMA Directory | 1931-00-00 | | |
| Lavell, Nels; ISMA Directory; 1932 | ISMA Directory | 1932-00-00 | | |
| Lavell, Nels; ISMA Directory; 1933 | ISMA Directory | 1933-00-00 | | |
| Lavell, Nels; ISMA Directory; 1934 | ISMA Directory | 1934-00-00 | | |
| Lavell, Nels; ISMA Directory; 1935 | ISMA Directory | 1935-00-00 | | |
| Lavell, Nels; ISMA Directory; 1936 | ISMA Directory | 1936-00-00 | | |
| Lavell, Nels; ISMA Directory; 1937 | ISMA Directory | 1937-00-00 | | |
| Lavell, Nels; ISMA Directory; 1938 | ISMA Directory | 1938-00-00 | | |